Buffer and vibration reduction of dynamic weighing of truck scale with swing support

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Journal of Vibration and Shock ›› 2020, Vol. 39 ›› Issue (17) : 226-233.

LAI Chaohui1， YANG Xiaoxiang1,2， YAO Jinhui3， LAI Zhengchuang1,3

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Abstract

In order to overcome ticket evasion behavior under abnormal driving conditions and weighing accuracy being not able to meet needs of continuous dynamic weighing in highway weighing toll system, the dynamic weighing process of a truck scale with swing support was analyzed, and the variation of axle loads under abnormal driving conditions was obtained. According to swing support’s vibration characteristics of column load sensor, numerical simulation was performed for dynamic weighing process of two-axle rigid vehicle with given parameters under verification condition and working one, respectively to obtain weighing error of vehicle axle load. Considering full electrical-bridge measurement characteristics of resistance strain type load sensor, aiming at use defects of the head impact limit, a vibration reduction device of buffer limit was designed. The weighing error results of a two-axle rigid vehicle under working conditions showed that the designed device can quickly stabilize scale body, reduce impact, and improve weighing accuracy and stability.

Key words

vibration and wave / dynamic weighing / swing support / truck scale / numerical simulation

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LAI Chaohui1， YANG Xiaoxiang1,2， YAO Jinhui3， LAI Zhengchuang1,3. Buffer and vibration reduction of dynamic weighing of truck scale with swing support[J]. Journal of Vibration and Shock, 2020, 39(17): 226-233

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